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fix(engine): harden fs OCap, VFS tombstones, asymmetric crypto, and WinterTC hot path #71

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Merged
siktec-lab merged 6 commits into from
Nov 12, 2026
+5,127 −1,315
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fix(engine): harden fs OCap, VFS tombstones, asymmetric crypto, and WinterTC hot path #71

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d9610c7
fix(engine): enforce deny-by-default fs OCap and CoW VFS tombstones
shlomohass Nov 11, 2026
402fe17
test: align fs OCap suites, benchmark manifests, and security docs
shlomohass Nov 11, 2026
3870a3d
fix(cas): map multi-frame uncaught stack traces and class methods
shlomohass Nov 11, 2026
bca6235
perf(engine): optimize WinterTC fetch hot path and fused stack offsets
shlomohass Nov 11, 2026
4c5089a
fix(crypto): replace baked RSA keys with dynamic codecs and RFC 7748 …
shlomohass Nov 12, 2026
996ce71
chore(bench): update 33-workload benchmark reports and doc tables
shlomohass Nov 12, 2026
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82 changes: 77 additions & 5 deletions Cargo.lock
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1 change: 1 addition & 0 deletions Cargo.toml
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Expand Up @@ -30,6 +30,7 @@ boa_engine = { version = "0.22", default-features = false }
rustc-hash = "2.1"
rustls = { version = "0.23", default-features = false, features = ["ring", "std", "tls12"] }
ring = "0.17"
x25519-dalek = { version = "2.0", default-features = false, features = ["static_secrets"] }
webpki-roots = "1.0"
rustls-pki-types = "1"
wasmi = "2.0"
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16 changes: 8 additions & 8 deletions README.md
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Expand Up @@ -169,14 +169,14 @@ Across **33 real-world TypeScript apps, frameworks (`Hono`, `UnJS`, `Express`, `

| Metric (`Linux x86_64`) | Slice (`v0.10.12`) | Bun (`v1.4.4`) | Deno (`v2.9.8`) | Node.js (`v27.0.0-alpha.0.0.0`) |
| :--- | :---: | :---: | :---: | :---: |
| **Isolate Cold Start (`P50` / `P99`)** | **`1.02 us` / `4.27 us`** | Process / VM | Process / VM | Process / VM |
| **1,000-Tenant Swarm (Boot + Exec)** | **`1.74 ms` (`9.82 MB` RSS)** | `> 5,000 ms` | `> 15,000 ms` | `> 30,000 ms` |
| **HTTP/1.1 Keep-Alive (`16k` Reqs)** | **`154,794 req/s`** (Tier-0) / **`147,564 req/s`** (Tier-1) | `100,562 req/s` | `99,082 req/s` | `56,447 req/s` |
| **33-Workload Cold `.cas` Total** | **`496.3 ms`** (`1.40x` Bun / `5.44x` Node) | `695.3 ms` | `1,745.0 ms` | `2,700.0 ms` |
| **33-Workload `--warm` Pooled Total** | **`167.1 ms`** (`4.16x` Bun / `16.16x` Node) | `695.3 ms` | `1,745.0 ms` | `2,700.0 ms` |
| **Peak Memory (`Max RSS` Range)** | **`13.45 - 21.63 MB`** | `26.13 - 40.25 MB` | `45.69 - 62.38 MB` | `70.15 - 93.00 MB` |

Full 33-workload breakdown, per-app latency and RSS tables, and run provenance (`dc31f74`, `2026-11-11T17:58:36Z`): **[`tests/reports/latest.md`](./tests/reports/latest.md)** (archive: [`bench_v0.10.12_20261111_175836Z_dc31f74.md`](./tests/reports/bench_v0.10.12_20261111_175836Z_dc31f74.md)).
| **Isolate Cold Start (`P50` / `P99`)** | **`1.24 us` / `2.10 us`** | Process / VM | Process / VM | Process / VM |
| **1,000-Tenant Swarm (Boot + Exec)** | **`1.50 ms` (`19.69 MB` RSS)** | `> 5,000 ms` | `> 15,000 ms` | `> 30,000 ms` |
| **HTTP/1.1 Keep-Alive (`16k` Reqs)** | **`148,865 req/s`** (Tier-0) / **`154,737 req/s`** (Tier-1) | `96,712 req/s` | `100,758 req/s` | `57,158 req/s` |
| **33-Workload Cold `.cas` Total** | **`500.8 ms`** (`1.39x` Bun / `5.43x` Node) | `696.7 ms` | `1,748.9 ms` | `2,717.7 ms` |
| **33-Workload `--warm` Pooled Total** | **`170.4 ms`** (`4.09x` Bun / `15.95x` Node) | `696.7 ms` | `1,748.9 ms` | `2,717.7 ms` |
| **Peak Memory (`Max RSS` Range)** | **`13.75 - 22.13 MB`** | `25.85 - 40.88 MB` | `45.71 - 62.29 MB` | `69.90 - 93.50 MB` |

Full 33-workload breakdown, per-app latency and RSS tables, and run provenance (`4c5089a`, `2026-11-12T02:06:39Z`): **[`tests/reports/latest.md`](./tests/reports/latest.md)** (archive: [`bench_v0.10.12_20261112_020639Z_4c5089a.md`](./tests/reports/bench_v0.10.12_20261112_020639Z_4c5089a.md)).
<!-- BENCHMARK_SUMMARY_END -->

To reproduce the full Linux `x86_64` Docker benchmark suite locally and regenerate [`tests/reports/latest.md`](./tests/reports/latest.md):
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4 changes: 2 additions & 2 deletions crates/slice-cas/src/bundler/mod.rs
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Expand Up @@ -16,6 +16,6 @@ pub use resolver::{
ResolverCacheGuard,
};
pub use source_map::{
compute_source_line_map, map_bundled_error_location, map_bundled_stack_trace,
short_source_label,
compute_source_line_map, map_bundled_error_location, map_bundled_error_location_with_offset,
map_bundled_stack_trace, map_bundled_stack_trace_with_offset, short_source_label,
};
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